.user {
  padding: 20px;
  &-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin-right: 24px;
  }
  &-sign {
    font-size: 24px;
    color: #888888;
  }
}
.flex {
  display: -webkit-flex;
  display: -webkit-box;
  display: flex;
  display: -ms-flexbox;
  .cell-main {
    -webkit-flex: 1;
    -ms-flex: 1;
    flex: 1;
    -webkit-box-flex: 1;
    -moz-box-flex: 1;
  }
  &.middle {
    -webkit-align-items: center;
    -moz-align-items: center;
    -ms-align-items: center;
    -o-align-items: center;
    align-items: center;
  }
}
